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Natalija [7]
2 years ago
6

A vertex of a secant-tangent angle is a point on the circle. a. always c. never b. sometimes

Mathematics
1 answer:
zavuch27 [327]2 years ago
4 0
Your answer is Sometimes because <span> A </span>secant<span> passes through a </span>circle<span> at two </span>points, a tangent<span> at one.

Hope this helps :)
If you need more help in future let me know :D</span>
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Calculate the density of a rock that has a mass of 454 g and a volume of 100.0 cm3.
Katena32 [7]

Answer:

4.54 g/cm^3

Step-by-step explanation:

d = m/v

d = 454 g ÷ 100.0 cm^3

d = 4.54 g/cm^3

3 sig figs so this answer is complete

6 0
3 years ago
If the ribbon cost $0.10 per foot what is the total cost of the ribbon in dollars
WITCHER [35]
Well how long is the ribbon? I'm not asking for the dollar amount, I will answer your question if you can tell me the length of the ribbon. No one can figure it out unless you give the total length. 

7 0
3 years ago
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A triangle has height 15in. and area 120in squared. what is the length of its base?
Brums [2.3K]
The formula for the area of a triangle is Area=.5(b)(h)

So fill in what you know:

120=.5b*15

Then solve for b.

120=7.5b
b=16
3 0
3 years ago
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What is the approximate area of the pizza
Dovator [93]
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5 0
3 years ago
1.) Find the value of the discriminant and the the number of real solutions of
ruslelena [56]
Hi there!

When we have an equation standard form...
a {x}^{2} + bx + c = 0
...the formula of the discriminant is
D = b^2 - 4ac

When
D > 0 we have two real solutions
D = 0 we have one real solutions
D < 0 we don't have real solutions

1.) Find the value of the discriminant and the the number of real solutions of
x^2-8x+7=0

Plug in the values from the equation into the formula of the discriminant

( - 8) {}^{2} - 4 \times 1 \times 7 = 64 - 28 = 36

D > 0 and therefore we have two real solutions.

2.) Find the value of the discriminant and the number of real solutions of
2x^2+4x+2=0

Again, plug in the values from the equation into the formula of the discriminant.

{4}^{2} - 4 \times 2 \times 2 = 16 - 16 = 0

D = 0 and therefore we have one real solution.

~ Hope this helps you.
4 0
2 years ago
Read 2 more answers
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